Apparatus for vaporizing and superheating hydrocarbon oils



p 1943- I G. D. 1311.1. 2,329,341

APPARATUS FOR VAPORIZ ING AND SUPERHEATING HYDROCARBON OILS Filed May 25, 1940 STORAGE ZEAcrxaxV INVENTOR 6/4 55/67 0. 0/44 ATTORNEYS APPARATUshoR vAPonriifiGhNnQsUrEih I HE N {HJ GA QNQ LS' enboit mniu',Wil ette, ni'.', assighorton man i;l;!.-;Brassert:,'New-York, N. Anathema; 5','1s40 ,jsj'oiia;i 166 374115 the particles of the fluidlof ianaex hydrocarbon oil may-be heatedin atube ortubes of heat. .1, 1,; .h to temperatures considerably'above the vaporize ::Theinventionaims iurther: to provide .ior sub 7 ing temperaturetofjthe oil and above the cracke stantially constantwetting oi theatube suriface physical characteristicsof a'flxedgas. 7 b h ll be: 1 C mb n d." s v l with u admixture therewith-ofs'omeo other sub,-,.: I furnaciz 'iysflishowniias 9 ing temperatures oi many of the'constituents 5' to:provideagainst-overheatinggrid yeti tmavoid cjessive amoi nt thereof andrnayk also :be; delivered to :theIpoin-tfullztube peration atfi y pintzthm l hqutkth of use without liability't'o clogging 16f the tube heating zone, 1therebyvapreventing 'igeyser action; or tubes-by carbon deposition, thus making-nos p nddocalzonesin h-11 6 78 sd orizvo t ins" i sible the effectiv preheatingi'of ahydr'ocarbons' agent,- jwith the resultant formation of-joeal hot} and a consequentwider field of utility. r 1 spots etcl A To, this end the invention 'contern 'I'he'invention aims particularly to provide'ap-i la s. i Ofi-illlcing int the pu 'i t il h 'i paratusyiorso vaporizing] and osuperheat'ing heating tubezor tubes afpart oi the already yathe vapor of a ,hydrocarbonoil thatyLWithout PQriZedhYQ OQQIDQm n QIdez': to accc1erate the carbondepositiontin the vaporizing and supermovement. of thewhydlfoqflwn11 1101 811the heatheating step, there mayibe'providedat the point i i-tl 0 l b l1 t, Y t of use asuperheatedyapor havingf-manyofthe 0 P id t at t eam fl wmsat roush the I v, o i winsz I Not onlyfis substantial preheating of avapor-J %P9 n fi. flewi -sl i i wt nes hquid ns t 8d hydrocarbon desirable'when 'undertakingwto l rge e nt entrain d b thevapor and partakv obtain aslarge heat releases aspossible-per cubie 1 8 1 fll u bu en m vem nts. 360 4cm 1 unit of combustion space but such preheatingis. it .w lfiw a edl fi .reP s x-a "b h also desirable when the hydrocarbon is toforrn ar iid out ofcontaot with the wallsof the tube. one of the rea nts of-abhemicalpreaction; such The nve tio 1 9 QQDP KPIQ het bea n as the reduction'ofa metallicoxide. -'Heretofore 2 0f t e-liq idby o den n 9L? p rt'q t b ntial ,preheating, that-is, I preheatin ex- 2 nt6rlIlg-- sirea}nfi,fgvapor thel em;t tending into the, field "of superheflting'. has usu-- --o ne iy e who-ma a eties: n i ally been attended: with so otmuchvdepositionxof' ven i n w ea omt e t l wi sd i -f o carbon in the preheating apparatus as to requir tion' and claim when conside red connection; H e n l m 0 re lacem nt n -t spre it -r 12e iepen ins,d er as in WI heating to the; desired extentofythehydrocarbona Q figure is diagrammatic V- s wies n z iiie.

alone has not usually been possible, The. princimbodyin the prescpt i V 6 011-v 1 pal dimculty heretoioreencountered in; attempts m {the i st a i e fi-' i ns to effect substantial preheating oi ahydrocarbon;

ded ,with burners stance, has been the inabilityuto avoid excessiyelto 4 located/inTalrfmtgfyP159355?!viTh l i;

. local heatingiwiththe resultan decomposition of; 1mm ach t P m ib fi m a the hydrocarbon in theregiondithe local heat: S'P FQ-L W v 1118 and the'deposition' 'of the carbonon the; r

anoed y th efra tory and The presentinvention aims to overcome th n efiected' andt'hr'oughwhich"it"circulates. difilculties heretofore encountered in eifective The outer c011 |4 although 1Ocated in e tpreliiggmg oftsliie vapors gr hydrocaibon 0115 by m chamber 2, is shielded from the radiant heat avo g exces ve local in 0 this end of the flame by th inner coil Ilwhich isaconand preheating; apparatus the fheatin'g charnben' t e omic-noan:

the invention aims effect such a rapid m tinuation of the outer coil l4. Thesecoils may I ment the hydrocarbon h f the tube rest uponand be partly supported by the refractubes and such a turbulence in the tubes that tory 6. The products of combustion pass out the duration of contact of the hydrocarbon with thr gh the stack m, I h

the heated tubewall at any one point i i s path e As shown in the drawing; the hydrocarbon oil of travel is vS bllli ye u cie t d eq to be vaporized and superheated passes through enough to eflect a substantially uniform heat the outer coil before it entersthe maroon (2 exchange throughout the path of travel, therein the heating chambenthe'outer coil I4 having by. preventing the tendency of any part of the an extension l8 outside the chamber 2 into which 1 tube to become overheated while at the same time the hydrocarbon oilis forced by a pump 2|)that preventing conduction from thetube to any of receives it from a storage or supply tank 22. 

